| Value | Category |
|---|---|
| -9 | Don't know |
| -8 | Refusal |
| -7 | Does not apply |
| 20 | |
| 30 | |
| 35 | |
| 40 | |
| 45 | |
| 49 | |
| 50 | |
| 60 | |
| 65 | |
| 70 | |
| 77 | |
| 80 | |
| 90 | |
| 99 | |
| 100 | |
| 106 | |
| 110 | |
| 120 | |
| 130 | |
| 140 | |
| 150 | |
| 160 | |
| 180 | |
| 200 | |
| 220 | |
| 250 | |
| 260 | |
| 300 | |
| 310 | |
| 330 | |
| 350 | |
| 400 | |
| 450 | |
| 460 | |
| 500 | |
| 550 | |
| 600 | |
| 650 | |
| 700 | |
| 800 | |
| 900 | |
| 1200 | |
| 1500 | |
| 1800 | |
| 2000 | |
| 2500 | |
| 3000 | |
| 3300 | |
| 3500 | |
| 4000 | |
| 4600 | |
| 5000 | |
| 6000 | |
| 7000 | |
| 8300 | |
| 20000 | |
| 22000 | |
| 75000 | |
| 133000 | |
| Sysmiss |